Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6783894 | Non-aqueous electrolyte secondary battery | Yoshio Kajiura, Tetsuya Kusakabe | 2004-08-31 |
| 6679926 | Lithium secondary cell and its producing method | Yoshio Kajiura, Atsushi Suzuki | 2004-01-20 |